TRIGEM COMO Mainboard User Guide

: June 9, 2024
: TRIGEM

Table of Contents

COMO Mainboard
CONNECTIONS
USER CONFIGURABLE SETTINGS
DIMM CONFIGURATION
Documents / Resources
- Read User Manual Online (PDF format)
- Download This Manual (PDF format)

COMO Mainboard
User Guide

COMO Mainboard

COMO

Device Type	Mainboard
Processor	Pentium II/Celeron
Processor Speed	233/266/300/333MHz
Chip Set	Intel 440EX
Video Chip Set	ATI
Maximum Onboard Memory	256MB (EDO & SDRAM supported)
Maximum Video Memory	1MB
Audio Chip Set	Unidentified
Cache	0/128/256/512KB (located on the CPU)
BIOS	Unidentified
Dimensions	243mm x 223mm
I/O Options	32-bit PCI slots (2), floppy drive interface, game/MIDI port,

green PC connector, IDE interfaces (2), parallel port, PS/2 mouse port, serial ports (2), VGA port, IR connector, USB connectors (2), ATX power connector, line in, line out, audio in – CD-ROMs (2), SB-link connector, wake on LAN connector, wake on modem connector

TRIGEM COMO Mainboard

CONNECTIONS

Purpose	Location	Purpose	Location
ATX power connector	ATX	Video sound connector	CN45
Power fan power	CN8	Modem connector	CN46
Floppy drive interface	CN9	Power LED	CN48/pins 1 – 3
IDE interface 1	CN10	IDE interface LED	CN48/pins 5 – 7
IDE interface 2	CN11	Soft off power supply	CN48/pins 8 – 10
SB-link connector	CN23	IR connector	CN48/pins 11 – 17
Serial port 1	CN24	Speaker	CN48/pins 19 – 22
Serial port 2	CN25	Keylock	CN49/pins 1 – 3
Parallel port	CN26	Reset switch	CN49/pins 4 & 5
USB connector 1	CN27	Green PC connector	CN49/pins 7 & 8
USB connector 2	CN27A	LAN LED	CN49/pins 10 – 12
PS/2 mouse port	CN29	SM bus connector	CN49/pins 14 – 16
VGA port	CN31	Wake on LAN connector	CN50
AMC connector	CN32	Wake on modem connector	CN51
Game/MIDI port	CN39	Chassis intrusion connector	CN52
Microphone in	CN39A	CPU fan power	CN53
Line in	CN39B	Chassis fan power	CN54
Line out	CN39C	Modem connector	CN70
Audio in – CD-ROM	CN43	32-bit PCI slots	PC1 – PC2
Audio in – CD-ROM	CN44

USER CONFIGURABLE SETTINGS

Function	Label	Position
»	Factory configured – do not alter	J1
»	Factory configured – do not alter	J2
»	On board AGP enabled	J11
On board AGP disabled	J11	Pins 1 & 2 closed
»	Floppy drive enabled	J12
IR enabled	J12	Pins 1 & 2 closed
»	CMOS memory normal operation	J13/5
CMOS memory clear	J13/5	Off
»	Password enabled	J13/6
Password disabled	J13/6	Off
»	CMOS setup enabled	J13/7
CMOS setup disabled	J13/7	Off
»	Floppy drive write protect disabled	J13/8
Floppy drive write protect enabled	J13/8	Off

DIMM CONFIGURATION

Size	Bank 0	Bank 1
8MB	(1) 1M x 64	None
16MB	(1) 2M x 64	None
16MB	(1) 1M x 64	(1) 1M x 64
24MB	(1) 2M x 64	(1) 1M x 64
32MB	(1) 4M x 64	None
32MB	(1) 2M x 64	(1) 2M x 64
40MB	(1) 4M x 64	(1) 1M x 64
48MB	(1) 4M x 64	(1) 2M x 64
64MB	(1) 8M x 64	None
64MB	(1) 4M x 64	(1) 4M x 64
72MB	(1) 8M x 64	(1) 1M x 64
80MB	(1) 8M x 64	(1) 2M x 64
96MB	(1) 8M x 64	(1) 4M x 64
128MB	(1) 16M x 64	None
128MB	(1) 8M x 64	(1) 8M x 64
136MB	(1) 16M x 64	(1) 1M x 64
144MB	(1) 16M x 64	(1) 2M x 64
160MB	(1) 16M x 64	(1) 4M x 64
192MB	(1) 16M x 64	(1) 8M x 64
256MB	(1) 16M x 64	(1) 16M x 64

Note: Board accepts EDO & SDRAM memory.

CACHE CONFIGURATION
Note: 256KB/512KB cache is located on the Pentium II CPU. 128KB cache is located on the Celeron 300A & 333 CPU.

VIDEO MEMORY CONFIGURATION
Note: Video memory is factory installed and is not configurable.

CPU SPEED SELECTION

CPU speed| Clock speed| Multiplier| J13/1| J13/2| J13/3| J13/4
---|---|---|---|---|---|---
233MHz| 66MHz| 3.5x| On| Off| Off| On
266MHz| 66MHz| 4x| Off| On| On| On
300MHz| 66MHz| 4.5x| Off| On| Off| On
333MHz| 66MHz| 5x| Off| Off| On| On

TRIGEM MICROSYSTEMS, INC.

Documents / Resources

| TRIGEM COMO Mainboard [pdf] User Guide
COMO Mainboard, COMO, Mainboard
---|---

Read User Manual Online (PDF format)

Read User Manual Online (PDF format) >>

Download This Manual (PDF format)

Download this manual >>